Finding the Fourth Proportional to 8,535.50, 12,803.34 and 2,379.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,535.50 : 12,803.34 = 2,379.50 : x
2. Step 2: Convert to fraction form
   8,535.50/12,803.34 = 2,379.50/x
3. Step 3: Cross multiply
   8,535.50x = 12,803.34 × 2,379.50
4. Step 4: Simplify right side
   8,535.50x = 30,465,547.53
5. Step 5: Solve for x
   x = 30,465,547.53/8,535.50
6. Step 6: Final answer
   x = 3,569.28